S-Union New CPU+GPU Cooling Fan Replacement for Nitro 5 AN515-43 vs Thermalright Burst Assassin 120 SE ARGB CPU Air Cooler
Updated August 2026 — The S-Union fan is ideal for Acer Nitro laptop users needing a replacement, while the Thermalright cooler excels in desktop performance and aesthetics.
The S-Union fan is ideal for Acer Nitro laptop users needing a replacement, while the Thermalright cooler excels in desktop performance and aesthetics.
Why S-Union New CPU+GPU Cooling Fan Replacement for Nitro 5 AN515-43 is better
specific compatibility
Designed for Acer Nitro laptops.
warranty
Offers an 18-month warranty.
price
Slightly higher price at C$29.99.
Why Thermalright Burst Assassin 120 SE ARGB CPU Air Cooler is better
performance
Higher airflow and cooling efficiency.
compatibility
Supports multiple Intel and AMD sockets.
aesthetics
Features customizable ARGB lighting.
Overall score
Specifications
| Spec | S-Union New CPU+GPU Cooling Fan Replacement for Nitro 5 AN515-43 | Thermalright Burst Assassin 120 SE ARGB CPU Air Cooler |
|---|---|---|
| Brand | S-Union | Thermalright |
| Compatibility | Acer Nitro laptops | Intel/AMD CPUs |
| Cooling Type | Fan | Air Cooler |
| Installation | Easy with spatula | Complex for desktops |
| Fan Type | Single fan | PWM fan |
Dimension comparison
Overview of the Products
When comparing the S-Union New CPU+GPU Cooling Fan Replacement for Nitro 5 AN515-43 and the Thermalright Burst Assassin 120 SE ARGB CPU Air Cooler, both products cater to specific needs in terms of heat management. The S-Union fan is designed to replace the cooling system of specific Acer Nitro laptops, while the Thermalright cooler is aimed at desktop CPUs.
The S-Union fan is priced at C$29.99, making it an affordable option for laptop users needing a replacement. In contrast, the Thermalright cooler is slightly cheaper at C$29.90, offering a robust cooling solution for desktop setups. Both products highlight their unique selling points, appealing to different user bases within the cooling market.
Compatibility
Compatibility is a critical factor in choosing a cooling solution. The S-Union fan is specifically designed for various models of Acer Nitro laptops, including the AN515-43, AN515-54, and AN517-51, among others. This makes it an ideal choice for users of these specific devices who require a direct replacement.
On the other hand, the Thermalright Burst Assassin 120 SE is versatile, supporting a range of Intel and AMD sockets, including modern platforms like Intel’s LGA1700 and AMD’s AM5. This broad compatibility makes the Thermalright cooler appealing for users building or upgrading desktop systems, as it can cater to a wider audience than the S-Union fan.
Cooling Performance
In terms of cooling efficiency, the Thermalright Burst Assassin 120 SE boasts a sophisticated design with a single tower body, nickel-plated copper heat pipes, and a performance-balanced fan capable of reaching speeds of 1550 RPM. This enables effective heat dissipation, with a maximum air flow of 66.17 CFM, which is essential for maintaining optimal CPU temperatures during intensive tasks.
Conversely, the S-Union fan is focused on cooling both the CPU and GPU within a laptop chassis. While specifics about its airflow and RPM are not provided, it is rigorously tested for quality, ensuring that it meets the cooling needs of the laptops it is designed for. However, it may not match the raw cooling power of the Thermalright model, particularly in high-performance scenarios.
Noise Levels
Noise levels are an essential consideration for many users. The Thermalright Burst Assassin 120 SE operates at a noise level of 25.6 dB(A), which is relatively quiet for a CPU cooler, allowing for a peaceful computing experience. This low noise output is complemented by its PWM fan technology, which adjusts the fan speed based on temperature, further minimising noise.
The S-Union fan's noise levels are not specified, but given its design for laptops, it is likely engineered to operate quietly. However, without concrete data, it is difficult to make a direct comparison. Users seeking a silent operation may lean toward the Thermalright cooler, which offers explicit noise level specifications.
Installation Process
The installation processes for both cooling solutions vary significantly due to their intended applications. The S-Union fan comes with a spatula for installation, simplifying the replacement process for users with Acer Nitro laptops. The design is straightforward, ensuring that users can replace the fan without extensive technical knowledge.
In contrast, the Thermalright Burst Assassin 120 SE is designed for desktop CPUs and features a more complex installation process due to its compatibility with multiple socket types. It includes a detailed optimisation with a fin offset technology that avoids memory height limitations, ensuring a secure fit without interference. This may appeal to experienced users who are comfortable with building and upgrading their systems but could be daunting for novices.
Warranty and Customer Support
The S-Union fan offers an 18-month warranty, which provides peace of mind for users concerned about product longevity and reliability. This commitment to customer satisfaction is reinforced by their promise of excellent service for any pre-sale or post-sale inquiries.
In comparison, the Thermalright cooler’s warranty details are not specified in the provided data. If warranty support is a priority for customers, the S-Union product has a clear advantage with its explicit warranty offering, which can be a deciding factor for potential buyers.
Design and Aesthetics
Design and aesthetics may play a significant role for users who value the look of their hardware. The Thermalright Burst Assassin 120 SE features ARGB lighting, allowing users to customise their setup with vibrant colours. This can enhance the visual appeal of a desktop build, making it a great choice for gamers and PC enthusiasts who appreciate a visually striking environment.
On the other hand, the S-Union fan is primarily functional, focusing on performance over aesthetics. As a replacement part for laptops, it lacks the visual flair of the Thermalright cooler. Users prioritising aesthetics may prefer the Thermalright model due to its customisable ARGB feature.
Which should you buy?
Choosing between the S-Union New CPU+GPU Cooling Fan Replacement for Nitro 5 AN515-43 and the Thermalright Burst Assassin 120 SE ARGB CPU Air Cooler ultimately depends on your specific needs. If you are looking for a reliable replacement for an Acer Nitro laptop, the S-Union fan is the clear choice, offering compatibility, a decent price of C$29.99, and an 18-month warranty.
However, if you are building or upgrading a desktop system and need a versatile cooler with excellent performance and low noise levels, the Thermalright Burst Assassin 120 SE at C$29.90 would be more suitable. Its compatibility with various CPU sockets and aesthetic appeal make it an attractive option for gamers and performance enthusiasts alike.
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